/* roulang page: index */
:root{
  --ink:#07070D;
  --ink-2:#0E0E1E;
  --panel:#131328;
  --panel-2:#191935;
  --volt:#A3E635;
  --volt-deep:#65A30D;
  --cyan:#06B6D4;
  --pink:#F43F5E;
  --gold:#FACC15;
  --txt:#FFFFFF;
  --txt-soft:#C7CBDA;
  --txt-mute:#8A90A8;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(163,230,53,.35);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.5);
  --glow-volt:0 0 22px rgba(163,230,53,.28);
  --glow-cyan:0 0 22px rgba(6,182,212,.28);
  --grad-brand:linear-gradient(120deg,#A3E635 0%,#06B6D4 55%,#F43F5E 120%);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--ink);
  color:var(--txt);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--volt)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.24;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em;color:var(--txt-soft)}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--alt{background:var(--ink-2)}
.section--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.09);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:.7rem}
.sec-head{max-width:820px;margin-bottom:38px}
.sec-head--wide{max-width:960px}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.sec-head p{font-size:1rem;margin:0}
.lead{font-size:1.05rem;color:var(--txt-soft)}
.text-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#05130a;
  box-shadow:var(--glow-volt);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.98rem;font-weight:900;letter-spacing:-.01em}
.brand-text span{font-size:.66rem;color:var(--txt-mute);letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;
}
.nav-links a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-links a.active{color:var(--volt);background:rgba(163,230,53,.1);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  background:transparent;border:1px solid var(--line-strong);color:var(--volt);
  padding:9px 18px;border-radius:999px;font-weight:700;font-size:.86rem;
  display:inline-flex;align-items:center;gap:7px;
}
.btn-login:hover{background:rgba(163,230,53,.12);color:var(--volt);box-shadow:var(--glow-volt)}
.btn-signup{
  background:var(--grad-brand);color:#04140a;border:none;
  padding:10px 20px;border-radius:999px;font-weight:800;font-size:.86rem;
  box-shadow:0 0 18px rgba(163,230,53,.4);
  display:inline-flex;align-items:center;gap:7px;
}
.btn-signup:hover{color:#04140a;transform:translateY(-1px);box-shadow:0 0 26px rgba(6,182,212,.5)}
.burger{
  display:none;background:transparent;border:1px solid var(--line);
  color:#fff;width:44px;height:44px;border-radius:12px;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(7,7,13,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:800;font-size:.94rem;
  border:1px solid transparent;transition:transform .18s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#04140a;box-shadow:0 0 22px rgba(163,230,53,.35)}
.btn-primary:hover{color:#04140a;transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--volt);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:74px 0 60px;
  background:
    radial-gradient(1100px 520px at 82% -8%,rgba(6,182,212,.20),transparent 62%),
    radial-gradient(900px 480px at 8% 108%,rgba(163,230,53,.16),transparent 60%),
    linear-gradient(180deg,#07200f 0%,#061c26 46%,var(--ink) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero-bg-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);
  background:#08131a;
  box-shadow:var(--sh-2);
}
.hero-bg-card img.hero-cover{width:100%;height:300px;object-fit:cover;opacity:.55}
.hero-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,26,20,.94) 0%,rgba(8,26,36,.82) 48%,rgba(7,7,13,.55) 100%);
}
.hero-content{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;justify-content:center;padding:34px 38px}
.hero-flags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{
  font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 13px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(163,230,53,.1);color:var(--volt);
}
.chip--cyan{border-color:rgba(6,182,212,.4);background:rgba(6,182,212,.12);color:#67E8F9}
.chip--pink{border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.12);color:#FDA4AF}
.hero h1{
  font-size:clamp(1.65rem,3.6vw,2.75rem);
  color:#fff;max-width:880px;text-shadow:0 6px 26px rgba(0,0,0,.55);
}
.hero h1 span{display:inline-block}
.hero-sub{
  max-width:720px;font-size:1.02rem;color:#DBE4E1;
}
.hero-sub strong{color:var(--volt)}
.countdown-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:22px;padding:14px 18px;border-radius:var(--r-md);
  background:rgba(7,7,13,.72);border:1px solid rgba(244,63,94,.35);
  backdrop-filter:blur(8px);
}
.countdown-bar .cd-label{
  font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#FDA4AF;
}
.cd-slots{display:flex;gap:8px}
.cd-slot{
  min-width:56px;text-align:center;padding:7px 6px;border-radius:12px;
  background:linear-gradient(180deg,rgba(244,63,94,.22),rgba(7,7,13,.7));
  border:1px solid rgba(244,63,94,.4);
}
.cd-slot b{display:block;font-size:1.16rem;font-weight:900;color:#fff;line-height:1.1}
.cd-slot small{font-size:.6rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.1em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:34px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--line);
}
.hero-stat{background:rgba(11,20,28,.9);padding:20px 16px;text-align:left}
.hero-stat b{display:block;font-size:1.5rem;font-weight:900;color:var(--volt);line-height:1.1}
.hero-stat span{font-size:.78rem;color:var(--txt-mute)}
/* ============ GENERIC GRIDS / CARDS ============ */
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;height:100%;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow-volt)}
.card-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(163,230,53,.12);border:1px solid var(--line-strong);
  color:var(--volt);font-size:1.15rem;margin-bottom:16px;
}
.card-ico--cyan{background:rgba(6,182,212,.12);border-color:rgba(6,182,212,.4);color:#67E8F9}
.card-ico--pink{background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.4);color:#FDA4AF}
.card-ico--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:var(--gold)}
.card h3{font-size:1.06rem;margin-bottom:.45em}
.card p{font-size:.9rem;margin:0;color:var(--txt-soft)}
.tag{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 11px;border-radius:999px;background:rgba(6,182,212,.14);
  border:1px solid rgba(6,182,212,.35);color:#67E8F9;margin-bottom:12px;
}
/* ============ FLASH SALE TRACK ============ */
.flash-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.stock-bar{
  font-size:.82rem;font-weight:700;color:#FDA4AF;
  border:1px dashed rgba(244,63,94,.5);border-radius:999px;padding:7px 16px;
  background:rgba(244,63,94,.08);
}
.deal-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(268px,1fr);gap:18px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.deal-track::-webkit-scrollbar{height:7px}
.deal-track::-webkit-scrollbar-thumb{background:rgba(163,230,53,.35);border-radius:99px}
.deal-card{
  scroll-snap-align:start;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  transition:transform .2s ease,border-color .2s ease;
}
.deal-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.deal-thumb{position:relative;height:150px;overflow:hidden}
.deal-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.deal-card:hover .deal-thumb img{transform:scale(1.06)}
.deal-badge{
  position:absolute;top:12px;left:12px;
  background:linear-gradient(120deg,#EF4444,#F97316);color:#fff;
  font-size:.68rem;font-weight:900;letter-spacing:.1em;padding:5px 12px;border-radius:999px;
}
.deal-body{padding:18px}
.deal-body h3{font-size:1rem;margin-bottom:.35em}
.deal-body p{font-size:.85rem;margin:0 0 14px}
.price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.price-new{font-size:1.22rem;font-weight:900;color:var(--volt)}
.price-old{font-size:.84rem;color:var(--txt-mute);text-decoration:line-through}
.deal-btn{
  width:100%;padding:11px;border-radius:12px;border:none;
  background:var(--grad-brand);color:#04140a;font-weight:900;font-size:.9rem;
}
.deal-btn:hover{filter:brightness(1.08)}
/* ============ LISTS ============ */
.entry-list{display:grid;gap:14px}
.entry{
  display:flex;gap:16px;align-items:center;
  padding:14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.025);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.entry:hover{border-color:var(--line-strong);background:rgba(163,230,53,.05);transform:translateX(4px)}
.entry-thumb{width:104px;height:74px;border-radius:12px;overflow:hidden;flex-shrink:0}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-body h3{font-size:.98rem;margin-bottom:.3em}
.entry-body p{font-size:.83rem;margin:0 0 6px}
.entry-meta{font-size:.74rem;color:var(--txt-mute);display:flex;gap:14px;flex-wrap:wrap}
.entry-meta i{color:var(--volt);margin-right:4px}
/* ============ STEPS ============ */
.steps{display:grid;gap:18px;counter-reset:st}
.step{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px;border-radius:var(--r-lg);
  background:linear-gradient(90deg,rgba(6,182,212,.07),rgba(19,19,40,.4));
  border:1px solid var(--line);
}
.step-num{
  flex-shrink:0;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-weight:900;font-size:1.05rem;
  background:var(--grad-brand);color:#04140a;
}
.step h3{font-size:1rem;margin-bottom:.35em}
.step p{font-size:.9rem;margin:0}
/* ============ STATS ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat-block{
  padding:24px;border-radius:var(--r-lg);text-align:left;
  background:linear-gradient(160deg,rgba(163,230,53,.12),rgba(19,19,40,.6));
  border:1px solid var(--line-strong);
}
.stat-block b{display:block;font-size:1.9rem;font-weight:900;color:#fff;line-height:1.05}
.stat-block span{font-size:.82rem;color:var(--txt-soft)}
/* ============ CATEGORY MATRIX ============ */
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);min-height:220px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;background:#0D1020;
  transition:border-color .2s ease,transform .2s ease;
}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;transition:opacity .3s ease,transform .45s ease}
.cat-card:hover img{opacity:.5;transform:scale(1.05)}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-5px)}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 24%,rgba(7,7,13,.92) 100%)}
.cat-card > *{position:relative;z-index:2}
.cat-card h3{font-size:1.06rem;margin-bottom:.3em}
.cat-card p{font-size:.86rem;margin:0 0 12px}
.cat-link{font-size:.84rem;font-weight:800;color:var(--volt)}
.cat-link i{margin-left:6px;transition:margin .2s ease}
.cat-card:hover .cat-link i{margin-left:11px}
/* ============ REVIEWS ============ */
.rev-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rev{
  padding:22px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.025);border:1px solid var(--line);
}
.rev-stars{color:var(--gold);font-size:.82rem;letter-spacing:2px;margin-bottom:10px}
.rev p{font-size:.9rem;font-style:italic;color:var(--txt-soft)}
.rev-who{display:flex;align-items:center;gap:11px;margin-top:14px}
.rev-av{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-brand);color:#04140a;font-weight:900;font-size:.85rem;
}
.rev-who b{font-size:.86rem;display:block}
.rev-who span{font-size:.72rem;color:var(--txt-mute)}
/* ============ PAYMENTS ============ */
.pay-row{display:flex;flex-wrap:wrap;gap:12px}
.pay-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:14px;font-weight:700;font-size:.86rem;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.pay-badge i{font-size:1.1rem}
.pay-badge.momo i{color:#F472B6}
.pay-badge.zalo i{color:#60A5FA}
.pay-badge.vietqr i{color:#34D399}
.pay-badge.bank i{color:var(--gold)}
/* ============ FAQ ============ */
.faq{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.025);overflow:hidden;
}
.faq-q{
  width:100%;background:transparent;border:none;color:#fff;text-align:left;
  padding:18px 20px;font-weight:700;font-size:.96rem;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-q i{color:var(--volt);transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
.faq-item.open .faq-a{max-height:280px;padding-bottom:18px}
.faq-a p{font-size:.89rem;margin:0}
/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(700px 320px at 12% 0%,rgba(163,230,53,.2),transparent 60%),
    radial-gradient(700px 320px at 92% 100%,rgba(244,63,94,.18),transparent 60%),
    linear-gradient(140deg,#0B1B22,#131328);
  padding:44px 38px;
}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,1.95rem);max-width:640px}
.cta-band p{max-width:640px;font-size:.96rem}
.cta-band .btn{margin-top:8px}
/* ============ RISK NOTE ============ */
.risk-note{
  border:1px dashed rgba(250,204,21,.4);border-radius:var(--r-md);
  background:rgba(250,204,21,.06);padding:18px 22px;
  display:flex;gap:14px;align-items:flex-start;
}
.risk-note i{color:var(--gold);font-size:1.15rem;margin-top:3px}
.risk-note p{font-size:.86rem;margin:0;color:#E9E2C4}
/* ============ FOOTER ============ */
.site-footer{
  background:#050509;border-top:1px solid var(--line);
  padding:58px 0 26px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.foot-brand p{font-size:.87rem;color:var(--txt-mute);max-width:330px}
.foot-col h4{
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--volt);margin-bottom:16px;
}
.foot-col a{display:block;font-size:.87rem;color:var(--txt-soft);padding:6px 0}
.foot-col a:hover{color:var(--volt)}
.foot-divider{height:1px;background:var(--line);margin:34px 0 20px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center}
.foot-bottom p{font-size:.8rem;color:var(--txt-mute);margin:0}
.licence-row{display:flex;flex-wrap:wrap;gap:10px}
.lic-badge{
  font-size:.72rem;font-weight:700;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--txt-mute);
}
.age-badge{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1.5px solid rgba(244,63,94,.6);color:#FDA4AF;font-weight:900;font-size:.72rem;
}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--volt);font-size:1.3rem;
  box-shadow:var(--glow-cyan);
  opacity:.82;transition:all .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.6)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #07070D;
  animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.35}}
/* ============ STICKY CTA ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:rgba(7,7,13,.94);backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
  padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.sticky-cta span{font-size:.86rem;font-weight:700;color:var(--txt-soft)}
.sticky-cta .btn{padding:10px 22px;font-size:.86rem}
.sticky-cta .btn-label-long{display:inline}
.sticky-cta .btn-label-short{display:none}
/* ============ FORM ============ */
.form-wrap{
  padding:28px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(6,182,212,.08),rgba(19,19,40,.55));
  border:1px solid var(--line);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:.8rem;font-weight:700;color:var(--txt-soft);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:12px 15px;border-radius:12px;
  background:rgba(7,7,13,.6);border:1px solid var(--line);color:#fff;font-size:.9rem;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--volt);box-shadow:0 0 0 3px rgba(163,230,53,.16);
}
.form-note{font-size:.76rem;color:var(--txt-mute);margin:12px 0 0}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-actions .btn-login{display:none}
  .burger{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .cat-matrix{grid-template-columns:repeat(2,1fr)}
  .rev-wall{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .hero-bg-card img.hero-cover{height:420px}
  .hero-content{position:relative;inset:auto;padding:32px 28px}
  .hero-bg-overlay{background:linear-gradient(180deg,rgba(6,26,20,.72),rgba(7,7,13,.95))}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .g-3,.g-2{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .deal-track{grid-auto-columns:minmax(250px,80%)}
  .cta-band{padding:32px 24px}
  .sticky-cta .btn-label-long{display:none}
  .sticky-cta .btn-label-short{display:inline}
}
@media (max-width:520px){
  .nav-wrap{min-height:64px;gap:10px}
  .brand-text span{display:none}
  .btn-signup{padding:9px 14px;font-size:.8rem}
  .container{padding:0 15px}
  .hero{padding:44px 0 40px}
  .hero-content{padding:26px 18px}
  .cat-matrix,.rev-wall,.foot-grid,.stat-strip,.g-4{grid-template-columns:1fr}
  .entry{flex-direction:column;align-items:flex-start}
  .entry-thumb{width:100%;height:150px}
  .hero-stat b{font-size:1.25rem}
  .fab{width:52px;height:52px;bottom:88px}
  .cta-band h2{font-size:1.25rem}
}

/* roulang page: article */
:root{
  --ink:#07070D;
  --ink-2:#0E0E1E;
  --panel:#131328;
  --panel-2:#191935;
  --volt:#A3E635;
  --volt-deep:#65A30D;
  --cyan:#06B6D4;
  --pink:#F43F5E;
  --gold:#FACC15;
  --txt:#FFFFFF;
  --txt-soft:#C7CBDA;
  --txt-mute:#8A90A8;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(163,230,53,.35);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.5);
  --glow-volt:0 0 22px rgba(163,230,53,.28);
  --glow-cyan:0 0 22px rgba(6,182,212,.28);
  --grad-brand:linear-gradient(120deg,#A3E635 0%,#06B6D4 55%,#F43F5E 120%);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--ink);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--volt)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0}
p{margin:0 0 16px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--alt{background:var(--ink-2)}
.section--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-title{font-size:clamp(1.55rem,3vw,2.15rem);margin-bottom:14px}
.section-sub{color:var(--txt-soft);font-size:1.03rem;max-width:760px;margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.09);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.text-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#05130a;
  box-shadow:var(--glow-volt);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.98rem;font-weight:900;letter-spacing:-.01em}
.brand-text span{font-size:.66rem;color:var(--txt-mute);letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;
}
.nav-links a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-links a.active{color:var(--volt);background:rgba(163,230,53,.1);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  background:transparent;border:1px solid var(--line-strong);color:var(--volt);
  padding:9px 18px;border-radius:999px;font-weight:700;font-size:.86rem;
  display:inline-flex;align-items:center;gap:7px;
}
.btn-login:hover{background:rgba(163,230,53,.12);color:var(--volt);box-shadow:var(--glow-volt)}
.btn-signup{
  background:var(--grad-brand);color:#04140a;border:none;
  padding:10px 20px;border-radius:999px;font-weight:800;font-size:.86rem;
  box-shadow:0 0 18px rgba(163,230,53,.4);
  display:inline-flex;align-items:center;gap:7px;
}
.btn-signup:hover{color:#04140a;transform:translateY(-1px);box-shadow:0 0 26px rgba(6,182,212,.5)}
.nav-toggle{
  display:none;background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:#fff;width:44px;height:44px;border-radius:12px;font-size:1.05rem;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(7,7,13,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-drawer a:last-child{border-bottom:none}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:800;font-size:.94rem;
  border:1px solid transparent;transition:transform .18s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#04140a;box-shadow:0 0 22px rgba(163,230,53,.35)}
.btn-primary:hover{color:#04140a;transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--volt);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.74rem;font-weight:700;letter-spacing:.05em;
  padding:7px 14px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(163,230,53,.1);color:var(--volt);
}
/* ARTICLE LAYOUT */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.82rem;color:var(--txt-mute);padding:22px 0 0;
}
.breadcrumb a{color:var(--txt-soft)}
.breadcrumb a:hover{color:var(--volt)}
.breadcrumb span.sep{opacity:.5}
.art-hero{
  position:relative;overflow:hidden;
  padding:44px 0 54px;
  background:
    radial-gradient(1100px 520px at 82% -8%,rgba(6,182,212,.20),transparent 62%),
    radial-gradient(900px 480px at 8% 108%,rgba(163,230,53,.16),transparent 60%),
    linear-gradient(180deg,#07200f 0%,#061c26 46%,var(--ink) 100%);
}
.art-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  pointer-events:none;
}
.art-hero-inner{position:relative;z-index:2;max-width:900px}
.art-hero h1{font-size:clamp(1.7rem,4vw,2.6rem);margin:8px 0 18px;letter-spacing:-.02em}
.art-meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--txt-soft);font-size:.86rem;align-items:center}
.art-meta i{color:var(--volt)}
.art-cover{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--sh-2);
  margin-top:-26px;background:#08131a;
}
.art-cover img{width:100%;height:340px;object-fit:cover}
.art-cover-cap{
  position:absolute;left:0;right:0;bottom:0;padding:20px 24px;
  background:linear-gradient(0deg,rgba(7,7,13,.94),transparent);
  font-size:.85rem;color:var(--txt-soft);
}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:38px;align-items:start}
.art-body{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 34px 30px;
  box-shadow:var(--sh-1);
}
.art-body h2{font-size:1.4rem;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--volt)}
.art-body h2:first-child{margin-top:0}
.art-body h3{font-size:1.12rem;margin:26px 0 10px;color:var(--volt)}
.art-body p{color:var(--txt-soft);margin-bottom:16px}
.art-body ul,.art-body ol{color:var(--txt-soft);padding-left:22px;margin-bottom:18px}
.art-body li{margin-bottom:9px}
.art-body strong{color:#fff}
.art-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:var(--volt)}
.art-body blockquote{
  margin:22px 0;padding:18px 22px;border-left:4px solid var(--cyan);
  background:var(--panel-2);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--txt-soft);
}
.art-body img{border-radius:var(--r-md);margin:20px 0}
.art-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.94rem}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;color:var(--txt-soft)}
.art-body th{background:var(--panel-2);color:#fff}
.empty-state{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 30px;text-align:center;
}
.empty-state i{font-size:2.4rem;color:var(--volt);margin-bottom:16px;display:block}
/* SIDEBAR */
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);margin-bottom:22px;
}
.side-card h3{font-size:1.02rem;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--volt)}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-bottom:1px solid var(--line);padding:11px 0}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{font-size:.9rem;color:var(--txt-soft);font-weight:600;display:flex;gap:9px;align-items:flex-start}
.side-list a i{color:var(--volt);margin-top:4px;font-size:.68rem}
.side-list a:hover{color:var(--volt)}
.side-cta{
  background:linear-gradient(150deg,rgba(163,230,53,.14),rgba(6,182,212,.12));
  border:1px solid var(--line-strong);
}
.side-cta p{font-size:.9rem;color:var(--txt-soft)}
.fact-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:.88rem}
.fact-row:last-child{border-bottom:none}
.fact-row span:first-child{color:var(--txt-mute)}
.fact-row span:last-child{color:#fff;font-weight:700;text-align:right}
/* AUTHOR BOX */
.author-box{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;margin-top:30px;
}
.author-avatar{
  width:56px;height:56px;border-radius:16px;flex-shrink:0;
  background:var(--grad-brand);color:#04140a;display:grid;place-items:center;
  font-weight:900;font-size:1.1rem;
}
.author-box h4{font-size:1rem;margin-bottom:5px}
.author-box p{font-size:.88rem;color:var(--txt-soft);margin:0}
/* TAGS */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  font-size:.78rem;font-weight:700;color:var(--txt-soft);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;
}
.tag:hover{border-color:var(--line-strong);color:var(--volt)}
/* RELATED */
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;margin-top:30px}
.rel-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.rel-card img{width:100%;height:170px;object-fit:cover}
.rel-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card-body h3{font-size:1rem;line-height:1.4}
.rel-card-body p{font-size:.87rem;color:var(--txt-soft);margin:0;flex:1}
.rel-card-body .more{font-size:.85rem;font-weight:700;color:var(--volt)}
/* CTA */
.cta-band{
  background:
    radial-gradient(900px 380px at 85% 0%,rgba(6,182,212,.22),transparent 60%),
    linear-gradient(120deg,#0a2418 0%,#081f2b 60%,#0c0c22 100%);
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
  padding:64px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:clamp(1.4rem,3vw,2rem);max-width:640px;margin-bottom:8px}
.cta-inner p{color:var(--txt-soft);max-width:620px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* FAQ */
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;margin-bottom:14px;transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item h3{font-size:1rem;display:flex;gap:12px;align-items:flex-start;margin-bottom:9px}
.faq-item h3 i{color:var(--volt);margin-top:4px}
.faq-item p{color:var(--txt-soft);font-size:.92rem;margin:0}
/* FOOTER */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:60px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--txt-soft);font-size:.92rem;margin-top:16px;max-width:420px}
.foot-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:var(--volt);margin-bottom:16px}
.foot-col a{display:block;font-size:.9rem;color:var(--txt-soft);padding:6px 0}
.foot-col a:hover{color:var(--volt)}
.foot-divider{height:1px;background:var(--line);margin:40px 0 24px}
.foot-bottom{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.foot-bottom p{font-size:.84rem;color:var(--txt-mute);margin:0}
.licence-row{display:flex;flex-wrap:wrap;gap:10px}
.lic-badge{
  font-size:.74rem;font-weight:700;color:var(--txt-soft);
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;
}
.age-badge{
  font-size:.74rem;font-weight:800;color:#04140a;background:var(--gold);
  border-radius:999px;padding:6px 12px;border:2px solid #fff;
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;font-size:1.35rem;
  background:rgba(7,7,13,.85);backdrop-filter:blur(10px);
  border:2px solid var(--volt);color:var(--volt);
  box-shadow:var(--glow-volt),0 0 22px rgba(6,182,212,.35);
  opacity:.85;transition:transform .2s ease,opacity .2s ease,box-shadow .2s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg);box-shadow:0 0 30px rgba(6,182,212,.6)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:var(--pink);border:2px solid #fff;animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.35}}
/* READING PROGRESS */
.read-bar{position:fixed;top:0;left:0;height:3px;width:0;z-index:1200;background:var(--grad-brand)}
/* RESPONSIVE */
@media (max-width:1024px){
  .art-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .art-cover img{height:280px}
}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .section{padding:56px 0}
  .art-body{padding:26px 22px}
  .art-cover img{height:220px}
  .hero-content{padding:22px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .nav-actions .btn-login{padding:8px 14px;font-size:.8rem}
  .nav-actions .btn-signup{padding:9px 15px;font-size:.8rem}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .brand-text span{display:none}
  .art-cover img{height:180px}
  .art-meta{font-size:.8rem}
  .btn{width:100%}
  .cta-actions{width:100%}
  .author-box{flex-direction:column;gap:12px}
}

/* roulang page: category1 */
:root{
  --ink:#07070D;
  --ink-2:#0E0E1E;
  --panel:#131328;
  --panel-2:#191935;
  --volt:#A3E635;
  --volt-deep:#65A30D;
  --cyan:#06B6D4;
  --pink:#F43F5E;
  --gold:#FACC15;
  --txt:#FFFFFF;
  --txt-soft:#C7CBDA;
  --txt-mute:#8A90A8;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(163,230,53,.35);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.5);
  --glow-volt:0 0 22px rgba(163,230,53,.28);
  --glow-cyan:0 0 22px rgba(6,182,212,.28);
  --grad-brand:linear-gradient(120deg,#A3E635 0%,#06B6D4 55%,#F43F5E 120%);
  --maxw:1200px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--ink);
  color:var(--txt);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--volt)}
button{font-family:inherit;cursor:pointer}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--alt{background:var(--ink-2)}
.section--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.09);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:.7rem}
.lead{font-size:1.05rem;color:var(--txt-soft)}
.text-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.22;margin:0 0 14px}
h1{font-size:clamp(1.7rem,4vw,2.7rem)}
h2{font-size:clamp(1.4rem,3vw,2rem)}
h3{font-size:1.12rem}
p{margin:0 0 14px}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#05130a;
  box-shadow:var(--glow-volt);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.98rem;font-weight:900;letter-spacing:-.01em}
.brand-text span{font-size:.66rem;color:var(--txt-mute);letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;
}
.nav-links a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-links a.active{color:var(--volt);background:rgba(163,230,53,.1);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  background:transparent;border:1px solid var(--line-strong);color:var(--volt);
  padding:9px 18px;border-radius:999px;font-weight:700;font-size:.86rem;
  display:inline-flex;align-items:center;gap:7px;
}
.btn-login:hover{background:rgba(163,230,53,.12);color:var(--volt);box-shadow:var(--glow-volt)}
.btn-signup{
  background:var(--grad-brand);color:#04140a;border:none;
  padding:10px 20px;border-radius:999px;font-weight:800;font-size:.86rem;
  box-shadow:0 0 18px rgba(163,230,53,.4);
  display:inline-flex;align-items:center;gap:7px;
}
.btn-signup:hover{color:#04140a;transform:translateY(-1px);box-shadow:0 0 26px rgba(6,182,212,.5)}
.mobile-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  color:#fff;border-radius:10px;width:42px;height:42px;align-items:center;justify-content:center;margin-left:8px;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(7,7,13,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:800;font-size:.94rem;
  border:1px solid transparent;transition:transform .18s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#04140a;box-shadow:0 0 22px rgba(163,230,53,.35)}
.btn-primary:hover{color:#04140a;transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--volt);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* HERO */
.cat-hero{
  position:relative;overflow:hidden;
  padding:70px 0 56px;
  background:
    radial-gradient(1000px 480px at 84% -6%,rgba(6,182,212,.20),transparent 62%),
    radial-gradient(820px 440px at 6% 110%,rgba(163,230,53,.15),transparent 60%),
    linear-gradient(180deg,#07200f 0%,#061c26 48%,var(--ink) 100%);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  pointer-events:none;
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center}
.cat-hero-copy h1{margin-bottom:16px}
.hero-flags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip{
  font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 13px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(163,230,53,.1);color:var(--volt);
}
.chip--cyan{border-color:rgba(6,182,212,.4);background:rgba(6,182,212,.12);color:#7DE1F0}
.chip--pink{border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.12);color:#FCA5B5}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--sh-2);background:#08131a;
}
.hero-media img{width:100%;height:340px;object-fit:cover;opacity:.72}
.hero-media-ov{
  position:absolute;inset:0;
  background:linear-gradient(190deg,rgba(6,26,20,.25) 0%,rgba(7,7,13,.88) 100%);
}
.hero-media-panel{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:3;
  background:rgba(9,9,20,.85);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;
}
.hero-metric-row{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.hero-metric{display:flex;flex-direction:column}
.hero-metric b{font-size:1.4rem;font-weight:900;color:var(--volt);line-height:1.1}
.hero-metric span{font-size:.74rem;color:var(--txt-mute);letter-spacing:.06em;text-transform:uppercase}
/* STATS STRIP */
.stats-strip{
  background:linear-gradient(90deg,rgba(163,230,53,.08),rgba(6,182,212,.08));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:26px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-item b{display:block;font-size:1.7rem;font-weight:900;color:#fff}
.stat-item b .text-grad{font-weight:900}
.stat-item span{font-size:.78rem;color:var(--txt-mute);letter-spacing:.05em;text-transform:uppercase}
/* CARDS / GRIDS */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.card-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(163,230,53,.12);color:var(--volt);font-size:1.15rem;margin-bottom:16px;
  border:1px solid var(--line-strong);
}
.card-ico.cyan{background:rgba(6,182,212,.12);color:#67E8F9;border-color:rgba(6,182,212,.35)}
.card-ico.pink{background:rgba(244,63,94,.12);color:#FDA4AF;border-color:rgba(244,63,94,.35)}
.card-ico.gold{background:rgba(250,204,21,.12);color:#FDE68A;border-color:rgba(250,204,21,.35)}
.card h3{font-size:1.06rem;margin-bottom:10px}
.card p{color:var(--txt-soft);font-size:.93rem;margin:0}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--txt-soft);font-size:.9rem}
.card ul li{margin-bottom:8px}
/* SPLIT */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-media img{width:100%;height:100%;max-height:400px;object-fit:cover}
.check-list{list-style:none;padding:0;margin:18px 0 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;color:var(--txt-soft);font-size:.95rem}
.check-list i{color:var(--volt);margin-top:4px}
/* STEPS */
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:stepc}
.step{
  position:relative;background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 24px 26px;
}
.step-num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;color:#04140a;background:var(--grad-brand);margin-bottom:16px;
  box-shadow:var(--glow-volt);
}
.step h3{font-size:1.02rem;margin-bottom:8px}
.step p{color:var(--txt-soft);font-size:.9rem;margin:0}
/* CATEGORY ENTRY */
.cat-entry{
  display:flex;align-items:center;gap:18px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cat-entry:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.cat-entry .ce-ico{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(6,182,212,.12);color:#67E8F9;border:1px solid rgba(6,182,212,.35);font-size:1.2rem;
}
.cat-entry h3{font-size:1rem;margin-bottom:4px}
.cat-entry p{margin:0;font-size:.86rem;color:var(--txt-mute)}
.cat-entry .ce-arrow{margin-left:auto;color:var(--volt);font-size:1.1rem;flex-shrink:0}
/* MINI CARDS */
.mini-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 18px 16px;
}
.mini-card b{display:block;font-size:1.05rem;color:var(--volt);margin-bottom:6px}
.mini-card span{font-size:.85rem;color:var(--txt-soft)}
/* CMS LIST */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.post-thumb{width:100%;height:180px;object-fit:cover;opacity:.9}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-tag{
  align-self:flex-start;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);background:rgba(6,182,212,.1);border:1px solid rgba(6,182,212,.32);
  border-radius:999px;padding:4px 11px;margin-bottom:12px;
}
.post-body h3{font-size:1.02rem;margin-bottom:10px}
.post-body p{font-size:.9rem;color:var(--txt-soft);flex:1;margin:0 0 14px}
.post-date{font-size:.78rem;color:var(--txt-mute)}
.list-empty{
  text-align:center;color:var(--txt-mute);background:var(--panel);
  border:1px dashed var(--line);border-radius:var(--r-lg);padding:40px 20px;font-size:.95rem;
}
/* FAQ */
.faq-wrap{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;color:#fff;
  padding:20px 22px;font-weight:700;font-size:1rem;display:flex;gap:14px;align-items:center;
}
.faq-q span.q-ico{
  width:26px;height:26px;border-radius:8px;background:rgba(163,230,53,.12);color:var(--volt);
  display:grid;place-items:center;font-size:.8rem;flex-shrink:0;transition:transform .25s ease;
}
.faq-item.open .faq-q span.q-ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:400px;padding-bottom:20px}
.faq-a p{color:var(--txt-soft);font-size:.93rem;margin:0}
/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(163,230,53,.14),rgba(6,182,212,.12) 60%,rgba(244,63,94,.1));
  padding:44px 40px;
}
.cta-band h2{margin-bottom:12px}
.cta-flex{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-copy{max-width:640px;text-align:left}
.cta-copy p{color:var(--txt-soft);margin:0}
/* FOOTER */
.site-footer{background:#050510;border-top:1px solid var(--line);padding:56px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--txt-mute);font-size:.88rem;margin-top:14px;max-width:340px}
.foot-col h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-mute);margin-bottom:16px}
.foot-col a{display:block;font-size:.9rem;color:var(--txt-soft);padding:6px 0}
.foot-col a:hover{color:var(--volt)}
.foot-divider{height:1px;background:var(--line);margin:34px 0 22px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.foot-bottom p{font-size:.82rem;color:var(--txt-mute);margin:0}
.licence-row{display:flex;gap:10px;flex-wrap:wrap}
.lic-badge{
  font-size:.72rem;font-weight:700;color:var(--txt-soft);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
  background:rgba(255,255,255,.03);
}
.age-badge{
  font-size:.72rem;font-weight:900;color:#04140a;background:var(--gold);
  border-radius:999px;padding:6px 12px;
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.3rem;color:#04140a;
  background:var(--grad-brand);
  border:2px solid var(--volt);
  box-shadow:0 0 22px rgba(163,230,53,.45);
  opacity:.8;transition:transform .2s ease,opacity .2s ease,box-shadow .2s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg);box-shadow:0 0 32px rgba(6,182,212,.55)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .fab-dot{
  position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;
  background:#DC2626;border:2px solid #fff;
}
@keyframes fabFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}
/* RESPONSIVE */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media img{height:280px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .step-row{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav-links{display:none}
  .mobile-toggle{display:flex}
  .nav-actions .btn-login{padding:8px 14px;font-size:.8rem}
  .split{grid-template-columns:1fr;gap:26px}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .section{padding:52px 0}
  .cat-hero{padding:50px 0 40px}
  .grid-2,.grid-3,.grid-4,.post-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px solid var(--line)}
  .nav-actions .btn-signup{padding:8px 14px;font-size:.78rem}
  .hero-metric b{font-size:1.15rem}
  .cta-band{padding:30px 22px}
  .hero-media img{height:220px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --ink:#07070D;
  --ink-2:#0E0E1E;
  --panel:#131328;
  --panel-2:#191935;
  --volt:#A3E635;
  --volt-deep:#65A30D;
  --cyan:#06B6D4;
  --pink:#F43F5E;
  --gold:#FACC15;
  --txt:#FFFFFF;
  --txt-soft:#C7CBDA;
  --txt-mute:#8A90A8;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(163,230,53,.35);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.5);
  --glow-volt:0 0 22px rgba(163,230,53,.28);
  --glow-cyan:0 0 22px rgba(6,182,212,.28);
  --grad-brand:linear-gradient(120deg,#A3E635 0%,#06B6D4 55%,#F43F5E 120%);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--ink);
  color:var(--txt);
  line-height:1.64;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--volt)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{line-height:1.22;margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:78px 0;position:relative}
.section--alt{background:var(--ink-2)}
.section--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.09);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.lead{font-size:1.05rem;color:var(--txt-soft)}
.text-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);margin-bottom:14px}
.sec-head p{color:var(--txt-soft)}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#05130a;
  box-shadow:var(--glow-volt);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.98rem;font-weight:900;letter-spacing:-.01em}
.brand-text span{font-size:.66rem;color:var(--txt-mute);letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;
}
.nav-links a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-links a.active{color:var(--volt);background:rgba(163,230,53,.1);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  background:transparent;border:1px solid var(--line-strong);color:var(--volt);
  padding:9px 18px;border-radius:999px;font-weight:700;font-size:.86rem;
  display:inline-flex;align-items:center;gap:7px;
}
.btn-login:hover{background:rgba(163,230,53,.12);color:var(--volt);box-shadow:var(--glow-volt)}
.btn-signup{
  background:var(--grad-brand);color:#04140a;border:none;
  padding:10px 20px;border-radius:999px;font-weight:800;font-size:.86rem;
  box-shadow:0 0 18px rgba(163,230,53,.4);
  display:inline-flex;align-items:center;gap:7px;
}
.btn-signup:hover{color:#04140a;transform:translateY(-1px);box-shadow:0 0 26px rgba(6,182,212,.5)}
.burger{
  display:none;background:transparent;border:1px solid var(--line);color:#fff;
  width:42px;height:42px;border-radius:12px;margin-left:auto;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(7,7,13,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-drawer .m-actions{display:flex;gap:10px;margin-top:16px}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:800;font-size:.94rem;
  border:1px solid transparent;transition:transform .18s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#04140a;box-shadow:0 0 22px rgba(163,230,53,.35)}
.btn-primary:hover{color:#04140a;transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--volt);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* HERO */
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 56px;
  background:
    radial-gradient(1100px 520px at 82% -8%,rgba(6,182,212,.22),transparent 62%),
    radial-gradient(900px 480px at 6% 108%,rgba(163,230,53,.16),transparent 60%),
    linear-gradient(180deg,#07200f 0%,#061c26 46%,var(--ink) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center}
.hero h1{font-size:clamp(1.9rem,4vw,3.15rem);margin-bottom:18px}
.hero p.lead{margin-bottom:24px;max-width:620px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chip{
  font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 13px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(163,230,53,.1);color:var(--volt);
}
.chip--cyan{border-color:rgba(6,182,212,.4);background:rgba(6,182,212,.12);color:#67e8f9}
.chip--pink{border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.12);color:#fda4b4}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-panel{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);background:#08131a;box-shadow:var(--sh-2);
}
.hero-panel img{width:100%;height:250px;object-fit:cover;opacity:.62}
.hero-panel-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,7,13,.35) 0%,rgba(7,20,14,.94) 72%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;
}
.ping-row{display:flex;align-items:center;gap:9px;font-size:.82rem;color:var(--txt-soft);margin-bottom:10px}
.ping-dot{width:9px;height:9px;border-radius:50%;background:var(--volt);box-shadow:0 0 12px var(--volt);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.25)}}
.speed-bars{display:flex;gap:6px;align-items:flex-end;height:44px;margin-top:6px}
.speed-bars span{flex:1;background:var(--grad-brand);border-radius:4px;opacity:.85;animation:bar 1.8s ease-in-out infinite}
.speed-bars span:nth-child(2){animation-delay:.15s}
.speed-bars span:nth-child(3){animation-delay:.3s}
.speed-bars span:nth-child(4){animation-delay:.45s}
.speed-bars span:nth-child(5){animation-delay:.6s}
@keyframes bar{0%,100%{height:35%}50%{height:100%}}
/* STATS */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  background:linear-gradient(160deg,var(--panel),var(--ink-2));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;
  transition:transform .2s ease, border-color .2s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stat b{display:block;font-size:1.75rem;font-weight:900;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:.82rem;color:var(--txt-mute);letter-spacing:.04em}
/* GENERIC CARD GRID */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{
  background:linear-gradient(165deg,var(--panel),var(--ink-2));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;height:100%;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.card h3{font-size:1.12rem;margin-bottom:12px}
.card p{color:var(--txt-soft);font-size:.95rem}
.card .ic{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(163,230,53,.12);border:1px solid var(--line-strong);
  color:var(--volt);font-size:1.15rem;margin-bottom:18px;
}
.card .ic--cyan{background:rgba(6,182,212,.12);border-color:rgba(6,182,212,.35);color:#67e8f9}
.card .ic--pink{background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.35);color:#fda4b4}
.card .ic--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.35);color:var(--gold)}
/* FEATURE IMAGE SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split img{border-radius:var(--r-lg);border:1px solid var(--line);width:100%;height:340px;object-fit:cover}
.check-list{list-style:none;padding:0;margin:22px 0 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;color:var(--txt-soft);font-size:.96rem}
.check-list i{color:var(--volt);margin-top:5px}
/* TAG ROW */
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  font-size:.8rem;font-weight:600;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--txt-soft);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--line-strong);color:var(--volt);background:rgba(163,230,53,.08)}
/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding:26px 22px;border-radius:var(--r-lg);background:linear-gradient(165deg,var(--panel),var(--ink-2));border:1px solid var(--line)}
.step .num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#04140a;font-weight:900;margin-bottom:16px;
}
.step h4{font-size:1rem;margin-bottom:10px}
.step p{font-size:.9rem;color:var(--txt-soft)}
/* PAYMENT */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pay{
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px 18px;text-align:center;
  background:rgba(255,255,255,.02);transition:all .2s ease;
}
.pay:hover{border-color:var(--line-strong);background:rgba(163,230,53,.06);transform:translateY(-4px)}
.pay i{font-size:1.5rem;color:var(--volt);margin-bottom:12px;display:block}
.pay b{display:block;font-size:.95rem;margin-bottom:4px}
.pay span{font-size:.78rem;color:var(--txt-mute)}
/* COMPARE TABLE */
.compare{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line)}
.compare thead th{background:rgba(163,230,53,.08);color:var(--volt);font-weight:800;text-transform:uppercase;font-size:.74rem;letter-spacing:.1em}
.compare tbody tr:last-child td{border-bottom:none}
.compare tbody tr:hover{background:rgba(255,255,255,.025)}
.compare td:first-child{font-weight:600;color:var(--txt-soft)}
/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;background:linear-gradient(165deg,var(--panel),var(--ink-2))}
.faq-q{
  width:100%;background:transparent;border:none;color:#fff;text-align:left;
  padding:20px 22px;font-weight:700;font-size:1rem;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-q:hover{color:var(--volt)}
.faq-q i{transition:transform .25s ease;color:var(--volt);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:340px;padding-bottom:20px}
.faq-a p{color:var(--txt-soft);font-size:.93rem}
/* NEWS LIST */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(165deg,var(--panel),var(--ink-2));
  transition:transform .22s ease, border-color .22s ease;
}
.news-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-body{padding:22px}
.news-body .meta{font-size:.74rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;display:flex;gap:12px;flex-wrap:wrap}
.news-body h3{font-size:1.02rem;margin-bottom:10px;line-height:1.4}
.news-body p{font-size:.88rem;color:var(--txt-soft)}
.empty-note{color:var(--txt-mute);text-align:center;padding:30px 0;font-size:.95rem}
/* CTA STRIP */
.cta-strip{
  border-radius:var(--r-xl);padding:52px 44px;
  background:
    radial-gradient(700px 300px at 88% 10%,rgba(6,182,212,.3),transparent 65%),
    linear-gradient(120deg,#0d2a17 0%,#08222c 100%);
  border:1px solid var(--line-strong);
  display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;
}
.cta-strip h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px}
.cta-strip p{color:var(--txt-soft);margin-bottom:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-side{display:flex;flex-direction:column;gap:12px}
.cta-mini{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.cta-mini i{color:var(--volt);font-size:1.1rem}
.cta-mini span{font-size:.88rem;color:var(--txt-soft)}
/* FOOTER */
.site-footer{background:#05050B;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--txt-mute);font-size:.9rem;margin-top:14px;max-width:360px}
.foot-brand .brand{margin-bottom:14px}
.foot-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--volt);margin-bottom:16px}
.foot-col a{display:block;padding:6px 0;color:var(--txt-soft);font-size:.91rem}
.foot-col a:hover{color:var(--volt)}
.foot-divider{height:1px;background:var(--line);margin:36px 0 22px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.foot-bottom p{color:var(--txt-mute);font-size:.82rem}
.licence-row{display:flex;gap:10px;flex-wrap:wrap}
.lic-badge{font-size:.72rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);color:var(--txt-mute);background:rgba(255,255,255,.03)}
.age-badge{font-size:.72rem;font-weight:800;padding:6px 12px;border-radius:999px;background:rgba(244,63,94,.15);border:1px solid rgba(244,63,94,.4);color:#fda4b4}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(7,7,13,.85);backdrop-filter:blur(10px);
  border:2px solid var(--volt);
  color:var(--volt);font-size:1.25rem;
  box-shadow:0 0 20px rgba(163,230,53,.45);
  opacity:.85;transition:all .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(6,182,212,.6);border-color:var(--cyan);color:var(--cyan)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .dot{position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;background:var(--pink);border:2px solid #05050B}
/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .split img{height:280px}
  .cta-strip{grid-template-columns:1fr;padding:40px 30px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .burger{display:grid;place-items:center}
}
@media (max-width:520px){
  .section{padding:56px 0}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .pay-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 40px}
  .hero-panel img{height:200px}
  .btn{padding:12px 20px;font-size:.9rem;width:100%}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .cta-strip{padding:32px 22px}
  .foot-grid{grid-template-columns:1fr}
  .compare{display:block;overflow-x:auto;white-space:nowrap}
  .fab{bottom:80px}
}

/* roulang page: category3 */
:root{
  --ink:#07070D;
  --ink-2:#0E0E1E;
  --panel:#131328;
  --panel-2:#191935;
  --volt:#A3E635;
  --volt-deep:#65A30D;
  --cyan:#06B6D4;
  --pink:#F43F5E;
  --gold:#FACC15;
  --txt:#FFFFFF;
  --txt-soft:#C7CBDA;
  --txt-mute:#8A90A8;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(163,230,53,.35);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 50px rgba(0,0,0,.5);
  --glow-volt:0 0 22px rgba(163,230,53,.28);
  --glow-cyan:0 0 22px rgba(6,182,212,.28);
  --grad-brand:linear-gradient(120deg,#A3E635 0%,#06B6D4 55%,#F43F5E 120%);
  --maxw:1200px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--ink);
  color:var(--txt);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--volt)}
button{font-family:inherit;cursor:pointer}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section--alt{background:var(--ink-2)}
.section--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.09);
  border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:.7rem}
.lead{font-size:1.05rem;color:var(--txt-soft)}
.text-grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:#05130a;
  box-shadow:var(--glow-volt);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.98rem;font-weight:900;letter-spacing:-.01em}
.brand-text span{font-size:.66rem;color:var(--txt-mute);letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;
}
.nav-links a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-links a.active{color:var(--volt);background:rgba(163,230,53,.1);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  background:transparent;border:1px solid var(--line-strong);color:var(--volt);
  padding:9px 18px;border-radius:999px;font-weight:700;font-size:.86rem;
  display:inline-flex;align-items:center;gap:7px;
}
.btn-login:hover{background:rgba(163,230,53,.12);color:var(--volt);box-shadow:var(--glow-volt)}
.btn-signup{
  background:var(--grad-brand);color:#04140a;border:none;
  padding:10px 20px;border-radius:999px;font-weight:800;font-size:.86rem;
  box-shadow:0 0 18px rgba(163,230,53,.4);
  display:inline-flex;align-items:center;gap:7px;
}
.btn-signup:hover{color:#04140a;transform:translateY(-1px);box-shadow:0 0 26px rgba(6,182,212,.5)}
.mobile-toggle{
  display:none;margin-left:auto;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:#fff;border-radius:11px;
  width:44px;height:44px;font-size:1.1rem;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(7,7,13,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-drawer a.active{color:var(--volt)}
.mobile-drawer .drawer-cta{display:flex;gap:10px;margin-top:14px}
.mobile-drawer .drawer-cta .btn-login,
.mobile-drawer .drawer-cta .btn-signup{flex:1;justify-content:center}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:800;font-size:.94rem;
  border:1px solid transparent;transition:transform .18s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#04140a;box-shadow:0 0 22px rgba(163,230,53,.35)}
.btn-primary:hover{color:#04140a;transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--volt);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* ============ HERO (category detail) ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:64px 0 58px;
  background:
    radial-gradient(1000px 480px at 88% -10%,rgba(6,182,212,.20),transparent 62%),
    radial-gradient(880px 440px at 4% 110%,rgba(163,230,53,.15),transparent 60%),
    linear-gradient(180deg,#08200f 0%,#071d27 48%,var(--ink) 100%);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 88%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{font-size:.82rem;color:var(--txt-mute);margin-bottom:16px}
.crumb a{color:var(--txt-soft)}
.crumb a:hover{color:var(--volt)}
.cat-hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start;
}
.cat-hero h1{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  font-weight:900;line-height:1.2;letter-spacing:-.02em;margin:0 0 18px;
}
.cat-hero p.lead{margin-bottom:24px;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px}
.hero-stat strong{display:block;font-size:1.5rem;font-weight:900;color:var(--volt);line-height:1.1}
.hero-stat span{font-size:.8rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.08em}
.quick-panel{
  background:linear-gradient(160deg,var(--panel) 0%,var(--panel-2) 100%);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-2);
}
.quick-panel h3{font-size:.95rem;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:9px}
.quick-panel h3 i{color:var(--volt)}
.quick-list{display:flex;flex-direction:column;gap:10px}
.quick-item{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:12px 14px;
  transition:border-color .2s ease, transform .18s ease, background .2s ease;
}
.quick-item:hover{border-color:var(--line-strong);transform:translateX(3px);background:rgba(163,230,53,.06)}
.quick-item i{color:var(--cyan);font-size:1rem;width:20px;text-align:center}
.quick-item strong{display:block;font-size:.9rem;font-weight:700}
.quick-item small{color:var(--txt-mute);font-size:.76rem}
.quick-item .pick{margin-left:auto;color:var(--volt);font-size:1.05rem}
.quick-note{margin-top:14px;font-size:.78rem;color:var(--txt-mute);display:flex;gap:8px;align-items:flex-start}
.quick-note i{color:var(--gold);margin-top:3px}
/* ============ SECTION HEADS ============ */
.sec-head{max-width:760px;margin-bottom:42px}
.sec-head h2{
  font-size:clamp(1.5rem,2.6vw,2.15rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.25;margin:0 0 14px;
}
.sec-head p{color:var(--txt-soft);margin:0}
.sec-head.left{text-align:left}
/* ============ FEATURE CARDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.f-card{
  background:linear-gradient(165deg,var(--panel) 0%,rgba(19,19,40,.55) 100%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:border-color .22s ease, transform .2s ease, box-shadow .25s ease;
  position:relative;
}
.f-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--sh-1)}
.f-card .ic{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:1.15rem;
  background:rgba(163,230,53,.1);color:var(--volt);
  border:1px solid var(--line-strong);margin-bottom:16px;
}
.f-card.ic-cyan .ic{background:rgba(6,182,212,.1);color:var(--cyan);border-color:rgba(6,182,212,.35)}
.f-card.ic-pink .ic{background:rgba(244,63,94,.1);color:var(--pink);border-color:rgba(244,63,94,.35)}
.f-card h3{font-size:1.05rem;font-weight:800;margin:0 0 10px}
.f-card p{font-size:.92rem;color:var(--txt-soft);margin:0}
/* ============ ACCESS TABLE ============ */
.access-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--panel);
}
.access-row{
  display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:16px;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.access-row:last-child{border-bottom:none}
.access-row.head{
  background:var(--panel-2);font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;
  color:var(--txt-mute);font-weight:700;
}
.access-row .dom{font-weight:700;font-size:.95rem;display:flex;align-items:center;gap:10px}
.access-row .dom i{color:var(--volt);font-size:.85rem}
.access-row .badge-ok{
  font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;
  background:rgba(163,230,53,.12);color:var(--volt);border:1px solid var(--line-strong);
}
.access-row .badge-hot{
  font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;
  background:rgba(244,63,94,.12);color:var(--pink);border:1px solid rgba(244,63,94,.4);
}
.access-row .speed{font-size:.86rem;color:var(--txt-soft);display:flex;align-items:center;gap:7px}
.access-row .speed i{color:var(--cyan)}
.access-row .btn-sm{
  padding:8px 16px;font-size:.82rem;border-radius:999px;font-weight:700;
  background:var(--grad-brand);color:#04140a;border:none;
}
.access-row .btn-sm:hover{color:#04140a;transform:translateY(-1px)}
/* ============ SCENARIO SPLIT ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-img{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);position:relative;
}
.split-img img{width:100%;height:100%;min-height:300px;object-fit:cover;opacity:.9}
.split-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(7,7,13,.12) 30%,rgba(7,7,13,.72) 100%);
}
.split-txt h2{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:900;margin:0 0 16px;letter-spacing:-.02em}
.split-txt p{color:var(--txt-soft);margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:0 0 8px}
.check-list li{display:flex;gap:11px;align-items:flex-start;padding:7px 0;font-size:.94rem;color:var(--txt-soft)}
.check-list li i{color:var(--volt);margin-top:5px;font-size:.8rem}
/* ============ STEP FLOW ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 20px;position:relative;
}
.step:hover{border-color:var(--line-strong)}
.step .num{
  font-size:1.6rem;font-weight:900;line-height:1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;display:block;margin-bottom:12px;
}
.step h4{font-size:.98rem;font-weight:800;margin:0 0 8px}
.step p{font-size:.86rem;color:var(--txt-soft);margin:0}
.step::after{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-15px;top:50%;transform:translateY(-50%);
  color:var(--line-strong);font-size:.85rem;
}
.step:last-child::after{display:none}
/* ============ METRICS STRIP ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:linear-gradient(150deg,var(--panel) 0%,var(--panel-2) 100%);
  border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:30px 26px;
}
.metric strong{display:block;font-size:1.7rem;font-weight:900;color:var(--volt);line-height:1.1;margin-bottom:5px}
.metric span{font-size:.82rem;color:var(--txt-mute)}
.metric{position:relative;padding-left:16px}
.metric::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:99px;
  background:var(--grad-brand);
}
/* ============ TRUST / LICENCE ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-box{
  background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 18px;text-align:center;
}
.trust-box:hover{border-color:var(--line-strong);background:rgba(163,230,53,.05)}
.trust-box i{font-size:1.5rem;color:var(--cyan);margin-bottom:12px;display:block}
.trust-box strong{display:block;font-size:.92rem;font-weight:800;margin-bottom:6px}
.trust-box small{color:var(--txt-mute);font-size:.78rem;line-height:1.5;display:block}
/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--panel);margin-bottom:14px;overflow:hidden;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  padding:20px 22px;font-size:1rem;font-weight:700;color:var(--txt);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-q i{color:var(--volt);transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-item.open .faq-a{max-height:340px;padding-bottom:20px}
.faq-a p{margin:0;font-size:.92rem;color:var(--txt-soft)}
/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s ease, transform .2s ease, box-shadow .25s ease;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--sh-1)}
.news-thumb{height:168px;overflow:hidden;background:var(--panel-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.92}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.74rem;color:var(--txt-mute);margin-bottom:10px}
.news-meta .tag{
  font-size:.7rem;font-weight:700;padding:3px 10px;border-radius:999px;
  background:rgba(6,182,212,.12);color:var(--cyan);border:1px solid rgba(6,182,212,.35);
}
.news-card h3{font-size:1rem;font-weight:800;line-height:1.45;margin:0 0 10px}
.news-card h3 a:hover{color:var(--volt)}
.news-card p{font-size:.86rem;color:var(--txt-soft);margin:0 0 16px;flex:1}
.news-more{font-size:.84rem;font-weight:700;color:var(--volt);display:inline-flex;align-items:center;gap:7px}
.news-empty{
  grid-column:1/-1;text-align:center;padding:48px 20px;color:var(--txt-mute);
  border:1px dashed var(--line);border-radius:var(--r-lg);font-size:.94rem;
}
.news-foot{text-align:center;margin-top:38px}
/* ============ CTA BAND ============ */
.cta-band{
  background:
    radial-gradient(700px 300px at 12% 20%,rgba(163,230,53,.16),transparent 60%),
    radial-gradient(700px 320px at 88% 90%,rgba(6,182,212,.18),transparent 62%),
    linear-gradient(140deg,#0A2416 0%,#0A1F2B 55%,#0B0B16 100%);
  border:1px solid var(--line-strong);
  border-radius:var(--r-xl);
  padding:48px 42px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:900;margin:0 0 14px;letter-spacing:-.02em}
.cta-band p{color:var(--txt-soft);margin:0 0 22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-side{
  background:rgba(7,7,13,.55);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;
}
.cta-side h3{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:var(--txt-mute);margin:0 0 16px;font-weight:700}
.pay-row{display:flex;flex-wrap:wrap;gap:9px}
.pay-chip{
  font-size:.78rem;font-weight:700;padding:8px 13px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--txt-soft);
}
.pay-chip:hover{border-color:var(--line-strong);color:var(--volt)}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.82),rgba(7,7,13,.82)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 24px rgba(6,182,212,.45);
  color:var(--volt);font-size:1.25rem;
  transition:transform .2s ease, box-shadow .25s ease, opacity .2s ease;
  opacity:.78;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(163,230,53,.6)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:99px;
  background:var(--pink);box-shadow:0 0 0 2px #07070D;animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,#08080F 0%,#0B0B18 100%);
  border-top:1px solid var(--line);padding:60px 0 28px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{font-size:.88rem;color:var(--txt-mute);margin:14px 0 0;max-width:330px}
.foot-brand .brand{margin-bottom:6px}
.foot-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--txt);margin:0 0 16px;font-weight:800}
.foot-col a{display:block;font-size:.88rem;color:var(--txt-mute);padding:5px 0}
.foot-col a:hover{color:var(--volt)}
.foot-divider{height:1px;background:var(--line);margin:38px 0 24px}
.foot-bottom{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot-bottom p{font-size:.8rem;color:var(--txt-mute);margin:0}
.licence-row{display:flex;flex-wrap:wrap;gap:9px}
.lic-badge{
  font-size:.72rem;font-weight:700;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--txt-soft);
  display:inline-flex;align-items:center;gap:6px;
}
.lic-badge::before{content:"\f023";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.62rem;color:var(--cyan)}
.age-badge{
  font-size:.72rem;font-weight:900;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(244,63,94,.4);background:rgba(244,63,94,.1);color:var(--pink);
}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:30px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr}
  .access-row{grid-template-columns:1.4fr 1fr auto;gap:12px}
  .access-row .head-speed{display:none}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .mobile-toggle{display:grid;place-items:center}
  .nav-wrap{min-height:64px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split-img img{min-height:230px}
  .grid-2{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 24px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .grid-3{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cat-hero{padding:44px 0 42px}
  .hero-cta .btn{width:100%}
  .access-row{grid-template-columns:1fr;gap:8px}
  .access-row.head{display:none}
  .access-row .btn-sm{width:100%;text-align:center;justify-content:center;display:inline-flex}
  .cta-actions .btn{width:100%}
  .fab{left:12px;bottom:84px;width:52px;height:52px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}